fix post TODO

Author: ilg-ul

website/blog/2025-10-21-mingw-w64-gcc-v15-2-0-2-released.mdx

@@ -41,12 +41,8 @@ import Prerequisites from './_common/_prerequisites-glib-2.28.mdx';
 import DeprecationNotices from './_common/_deprecation-notices-glib-2.28.mdx';
 import DownloadAnalytics from './_common/_download-analytics.mdx';
 
-TODO: select one summary
-
-Version **15.2.0-2.1** is a maintenance release; it updates to
-the latest upstream master.
-
-Version **15.2.0-2.1** is a new release; it reverts to using the POSIX thread model on Windows.
+Version **15.2.0-2.1** is a maintenance release; it reverts to using the
+POSIX thread model on Windows.
 
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